Ludis Mergas is a Noble and one of the seven current Clan Leaders of Lukedonia. He is the Guardian of Lukedonia, and is in charge of its security and protection.

He has shown respect towards Gejutel despite the fact that the Lord has suspicions about Gejutel. He and his clan are kind to humans.

As a Noble and more specifically a Clan Leader, he possess formidable powers.The potency of his basic abilities are unknown at this point as he has only been shown using his Soul Weapon in battle once, with which he displayed incredible offensive and defensive power.